Angle-cock.



J. B. CARROLL.

ANGLE COOK.

APPLIOATION FILED APR.20, 1914. Patented Feb. 16, 1915. 9 9

' clear, and exact description of "the inven- JAY 1B. CARROLL, F SANIBORN, IOWA.

ANGLE-COCK.

mane.

Specification of Letters Patent.

Patented Feb. is; rare.

Application filed April 20, 19141. I Serial No. 833,177.

To allwho m it may concern:

Be it known that l, JAY 1B. CARROLL, a

citizen of the United States, residing at -Sanborn, in the county of OBrien, State of Iowa, have invented certain'new and use ful' Improvements in Angle-Cocks; and I do hereby declare the following to be a full,

- tion, such as will enable others .skilledin the erating handle is securely locked in either its open or closed position, thevalve in said cock being so constructed and arranged therein, as to be automatically loosenedfrom its seat when the handle is'moved to an unlocked position, and thus may be readily turned to; open or cut off communication betweenthe'train pipe and the coupling.-

A'further 1 object of the invention is to providean angle cock having a relief portf adaptedto communicate with the air-hose, when the valve is in its cut-ojfi' position, for

the purpose of reducing the air therein to atmospheric pressure, so that when'uncoupling, the customary breaking, tearing, or stretching of the hose is entirely obviated. With the above and other objects of similar nature in view, the invention consists in the construction, combination, and arrangement of parts set forth in and falling withthe line 3+3 of inthe scope'of the appended claim.

In the drawings: Figure 1 is a side elevation of an angle cock constructed in accordance with theinvention, 1F ig.2 .is a top plan view thereof, ,Fi 3 is a; sectional view on ig. 2, wlth the valve in its open position, Fig. 4 is a similar view with the handle in its unlocked position, and the a 7 cutting ofi the cock, Fig. 5 is a similar view valve raised from its seat preparatory to with the valve in its cut-off position, and Pi 6 is a section on the line 6( 3 of Fig. 5.

eferringnow'to the drawing, the numeral 10 designates the casting of the cock,

having a threaded passage 11 which communicates with the train line, and a threaded passage 12 communicating with the flexible hose that is coupled together between the cars, and being further provided with a lockin is turnin anopening 13, threaded to'receive a cap nut 14.- I I The casting 10 is also formedw-ith a tapered bore .15, in'which a tapered bushing 16 'is permanently seated,said bushing having openings 17 and'18 which communicate respectively with the passages 11 and 12 .of

the casting. The bushing 16 is also provided with an opening 19, whichcommun'icates with the relief port 20 formed in the lower end of the tapered bore .13. Fitted in thebushin-g 16 is a taperedivalve 21, saidvalve being formed with a transverse-passage 22L'ada'pted tofbe brought into communication with the passages 11' and 12 in the angle cock to supply the train linewith air. Formed in the'valve 21', is a longitudinal oove or channel 23 which, when the valve is closed, establishes communication between the passage 12 and the relief port 20 to permitthe air in the hose to escape to the atmosphereand thus facilitate thecoupling. being broken, without the usual stretchingor tearing of the hose. Formed integral with the valve 21 and projecting through the opening 24 in the cap nut 14,

isa stem25, the upper end of which is squared and terminally provided with a shortnotch 26 and a longnotch 27,. the former indicating the side of the valve in which the groove or channel, 23 'is formed, and the latter indicating the direction of the air passage through the valve. It is thus apparent that, when coupling or un- I coupling cars, say in the dark, the position of the assage22 and the channel 23 may be quic ly determined by passing'the finger over the notches 26 and 27, thereby enabling the operator to move the valve in; the proper direction to effect the desired result.

For the purpose of operating the valve there is provided a handle 28, having'a slotted opening 29 adapted to receive the squared endofthe stem 25, the, pin 30 in the stem 25 serving to prevent accidental displacement of the handle and being also adapted to coact therewith to lhosen the valve 21 from its seat. The handle 28 is provided on the end adjacent the stem 25,, with a downward projection 'or fulcrum 31 1 adapted to engage'the upper face of .the cap nut 14 for the purpose to be presently ex- 'plainedr Also formed on the handle 28 is finger 32 which, when the valve engages in one of the notches 33 in thecasting to retain said valve in either its open or closed position. Seated within the" recess 34: formed in the under face of'thecap nut 14, and" encircling the stem 25, is a helical spring 35'said spring being compressed between the nut and the tapered valve 21 and, normally tending to seat said valve tightly within the tapered bushing 16.

In operation, to open or close the valve, the handle 28 is rocked upwardly to disengage the finger 32 from one of the notches 33 in the casting 10, the downward projection 31bearing against the upper face of the cap nut 14 to form a fulcrum for the'handle, and that part of the handle adjacent the stem engaging the pin therein.

The handle 28 is now employed as a lever to loosen the valve 21 from its seat, continued upward movement thereof on the fulcrum 31 raising "said valve in the bushing 16 and against the tension of the spring 35, to permit of the valve being readily turned to the desired position.

in Fig. 5 of the drawing, that the channel 23 is formed in the face of the valve 21 and centrally of the passage 22, thus when the angle cock is closed, communication between the passages 11 and 12 is completely shut off prior to the establishment of communication between the passage12 and the relief port 20, and the consequent reduction of pressure in the hose effected.

From the foregoing it will be observed that there is provided an improved angle cock of simple and novel construction, and one that is fully capable of performing its various functions in a wholly efficient manner.

Whatis claimed is:

An angle cock comprising a casing having a bore, a valve seated in the bore and having oscillatory and reciprocatory movement therein, a lever connected with the valve for oscillating and reciprocating same, a projectiori on said lever atone side of the valve in position to fulcrum on the casing, a looking member on the lever at the other side of said valve, a cooperating locking member carried by the casing, and means for holding the valve yieldably with the locking member engaged.

In testimony whereof,.I afiix my signature, in the presence of two witnesses.

JAY B. CARROLL. 

